About Us

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Hi-Seal have been supplying new-build and replacement uPVC windows, doors and conservatories to the trade in the East Sussex and Kent areas from its base in Hailsham for more than 20 years. Hi-Seal only use profile, purpose moulded uPVC, from the Advance 70 range of products supplied by market leaders Selecta to build the frames for their new-fit and replacement double glazing, doors and conservatories. These frames hold high quality sealed glass units and door panels assembled on site.

Hi-Seal offers a trade guarantee of ten-years on all uPVC products and five-years on all sealed units. Given that a third party supplies them, fittings such as handles and hinges are guaranteed for one year.